pulse
Ulaanbaatar, Mongolia (seismic) archived on December 30, 2023
download
spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sat Dec 30 17:16:24 2023 6.3 139.35 -2.96 6 Indonesia (147 km WSW of Abepura, Indonesia) * Sat Dec 30 17:16:23 2023 6.5 139.29 -3.20 6 Indonesia (163 km WSW of Abepura, Indonesia) Sat Dec 30 05:19:26 2023 5.6 93.07 2.49 6 off the west coast of northern Sumatra Fri Dec 29 01:18:49 2023 5.7 67.92 -7.12 6 Mid-Indian Ridge Total: 4 events; 1 not plotted (*).

About this archived stream:

Station : ULN (network: IRIS/USGS) at Ulaanbaatar, Mongolia
Sensor : STS-1V/VBB
Recorder : Quanterra QX80 @ 20 Hz
Pod : ms-rhea@x.x.31.38 | macOS 12.6.4 | psm v. 176
Speedup : ×900 (transposed up about 10 octaves)
Loop duration (real) : 48 hours
Loop duration (audio) : 03:12 (stereo)
Data channels : miniseed (IU.ULN.00.BH1 IU.ULN.00.BH2)
RMS : 0.001797
Spectrogram type : post-processed
Gain correction : 25dB
SoX post-processing : highpass -2 90 highpass -2 90
compand 0.001,0.01 6:-80,-50,-40,-10,0,-3
Archived on : Sun Dec 31 00:02:08 UTC 2023 (about 2 years ago)
Metadata source : auto-archived factoids